KR100810924B1 - Automatic wireless service activation in a private local wireless system - Google Patents

Abstract

Automatic activation of digital wireless / cellular mobile phones (ie, first access) by a private / local wireless / cellular system (ie, secondary system) is the area where the overlapping macrocellular primary wireless communication system (ie, the dominant system) is located. Happens within. Operation of the secondary access process is accomplished by shielding / masking the access and authentication process for the secondary system from interference from control signal levels of the dominant wireless communication system. During initial access, the secondary system is supplied with SID and MIN and ESN numbers for authentication and consequent access.

Private local wireless communication system, automatic private service activation port, control and activation average signal strength, access control channel, subscriber identification code

Description

Automatic wireless service activation in a private local wireless system}

(Background of invention)

The present invention solves the problem of activating a service for a wireless system other than the normal home system of a wireless telephone, or for a wireless telephone in a system that may grant access as an roaming type of activation. In a particular aspect, the present invention relates to the activation of a wireless telephone operating in a local or secondary system, overlapped by a macro or primary system. Activation is considered in a private or secondary wireless system for a permanent or limited time. The invention relates in particular to the initial activation of digital wireless / mobile telephones. A method of using the auto-activation features of a wireless handset to obtain services for such a wireless system is described. In one particular aspect, the present invention solves the problem of locating a service for wireless users in a building / campus in accordance with existing standards. The wireless system can be a cellular, PCN, PCS, or similar mobile wireless system.

(Background)

Typically, a wireless telephone needs to be activated before it can operate in a particular wireless system. Typically, this process is only needed once, since successive uses of wireless telephones are already permitted in such systems. Access is generally covered in different systems by roaming procedures that enable the use of the wireless telephone as it moves to another system. The grant of such permission to use depends on the consent between the different systems and accesses the databases to verify the legitimacy of the wireless telephone operating outside the home area.

Is not part of the devices that allow roaming, and operates in areas already covered or dominated by other carriers, including the home carrier of a wireless telephone attempting to use a local and / or private wireless system There are many local and / or private wireless systems that may. These local and / or private wireless systems operate at lower signal levels compared to outdoor macrocell systems. These local and / or private systems are frequently found in buildings and at campus locations.

The cellular standard applied to TIA / EIA-136, ie digital cellular TFMA systems, explicitly provides service provision to private user communities. The service is authorized by a private system identification (PSID) code entered into each wireless telephone requesting service from the private / local wireless system. This PSID code must be entered into the handset requesting service. The process is simple, but not practical. For example, manually inserting a PSID into a cordless phone is simple, but at the same time inefficient and expensive, especially in environments that initially provide services to "many" users. From time to time, an input process that requires the intervention of a skilled person should still be maintained. This process should include decisions regarding the duration of the registration and the scope of usage privileges offered.

By downloading the required information over the air, service provision is available in many macrocellular cellular / wireless systems of public carriers. In one cellular system, a telephone number and a system ID (SID) code are assigned and downloaded to a wireless / cellular phone, and the user enters relevant information in response to a visually represented operation menu provided by the wireless phone. Registration is completed by a specific series of steps including searching the range of digital macrocellular RF control channels, taking the strongest control channel received and then installing activation and authentication information over the air to the wireless telephone.

A clue to this automatic setup procedure is, in part, the ability of a wireless / cellular phone to preferentially search (ie, tune to) the strongest macrocellular setup channel in its vicinity. This complicates the need for automatic setup procedures for private and local wireless / cellular systems. The first obstacle is the relatively high signal level of the macrocellular system compared to private local / system. The relatively high signal level of the macrocellular system overwhelms any of the setup channels of the private / local system, preventing the wireless telephone from latching into the local / private system.

At present, the automatic provision of wireless / mobile digital telephones (e.g., digital cellular telephones) to secondary wireless communications systems in areas radiated by more powerful dominant wireless communications systems (i.e., macrocellular systems). There is no way. The macrocellular signal strength overwhelms any provided signal provided by the secondary system.

(Summary of invention)

The present invention provides a unique download of a wireless telephone that allows for automatic activation to achieve registration and activation in a secondary (ie, private) wireless communications system (e.g. cellular system) by downloading the necessary system information directly to the wireless telephone. A method and apparatus are provided for enabling the use of individual wireless telephones (i.e., cellular) of performance.

Automatic activation (i.e., first access) of a digital wireless / cellular cellular phone to a private / local wireless / cellular system (i.e., a secondary system) may result in an overlapping macrocellular primary wireless communication system (i.e. In the region with the dominant system). The operation of the secondary access process of registering and receiving services from the secondary system is achieved by shielding / masking the access and authentication process for the secondary system from interference from control signal levels of the dominant wireless communication system. Is achieved. During initial access, the secondary system is supplied with PSID and MIN and ESN numbers for authentication and subsequent access.

In particular, this process requires masking only during the authentication and access procedure, which makes it possible to apply shielding / masking only for this process. In one masking device, the antenna for the secondary system used in the access and authentication procedures exceeds the control channel signal exceeding the radiation level of the dominant system control channel only within a very short distance from the access antenna of the secondary system. Radiate. For example, in some situations, this distance is about 1 inch or less. Therefore, the wireless telephone is within this distance where the secondary system acts as the dominant system in the area for access and authentication procedures.

In another embodiment, the antenna of the secondary system, dedicated for access procedures, may be in a shielded enclosure that blocks radiation from the dominant system within the enclosure. Such shielding may be a conductive grid formed in a box enclosure that can be inserted with a radiotelephone and next to the antenna of the secondary system used for access procedures.

In one exemplary embodiment, the secondary system uses the same signal formats and frequencies for access used by the overlapping dominant system. These may be defined by cellular standards such as ANSI TIA / EIA-136, which provide standards for providing services to private user communities. In a specific embodiment, the secondary system scans the overhead channels of the dominant system and replicates these signals and frequencies to create its own overhead and control channels.

In the disclosed embodiment, the secondary wireless communication system operates in an area covered by the overlapping dominant wireless communication system. The secondary system uses the same access signals and techniques of at least one access method (ie, TIA / EIA-136 procedures) as those of the dominant system. This in some cases uses different access methods (ie analog processing) that are not used by the dominant system. Certain access modes of the secondary system for accessing new wireless telephones that require initial authentication and access data to be inserted into the wireless telephone to enable operation in the secondary system operate. When the telephone is in the proper position with respect to the secondary antenna's access antenna, access is made only if the telephone is placed so that the received radiation from the secondary antenna's access antenna is stronger than the surrounding radiated signal strength of the dominant system. It becomes possible.

In a variation of the disclosed embodiments, the secondary / macrocellular system can be interconnected with the dominant / macrocellular system such that they are networked with each other. In a particular aspect, an inter / intranet-connected database may be utilized by these systems. Such a database can be easily accessed by individuals requesting access to the secondary system via an internet / intranet connection. This database can be used to provide mobile station telephone numbers and additionally provide information of other service providers.

1 is a block diagram of an exemplary service architecture of a wireless communication system, which may be a secondary system, receiving ambient control signal radiation of an overlapping dominant system.

2 is a flow chart of a process in which a wireless telephone accesses and authenticates the wireless communications system of FIG.

3 is an illustration of an antenna device used for access in a secondary system.

4 is an illustration of another antenna device used for access in a secondary system.

5, 6, 7, and 8 illustrate message flow procedures that support OATS procedures.

9 is a flowchart of a TIA / EIA-136 DCCH search procedure.

10 is a block diagram of an alternative service architecture for the service architecture of FIG.

An exemplary private wireless communication (ie, secondary) system 100 is shown in FIG. 1. System 100 is overlapped (i.e., by another system) with a public or primary radiotelephone (i.e., dominant) system having an operation and access signal having a much higher signal strength than that used by system 100. Within the area covered by the emitted signals). Overlapping systems are considered some analog and most digital. They can operate in accordance with TIA / EIA-136, IS-95, IS-54, EDGE or other specifications. Private system 100 is deemed to be an exemplary embodiment operating under TIA / EIA-136 although the present invention has been considered to operate under other standards (including, for example, GSM, DECT, etc.). Due to the high signal strength of the dominant system, the user of the radiotelephone cannot connect to the secondary system 100.

The controller 101 controls the operation of the secondary (ie primary / private) wireless system. This includes a network service platform (NSP) 102, a database 103, and a digital switch 104. Controller 101 with functional sub-units performs functions such as digital switching and network operations. These network operations include call setup, feature applications, and maintain subscriber databases, security functions, fault detection and resolution, and RF management functions. The NSP 102 is a server that provides operational rules and regulation to its associated database 103 and monitors / identifies various uses / users.

Two Voice Access Ports (VAPs) 105 and 106 act as system base stations that provide wireless service to wireless telephones 107 and 108 operating within the exemplary private wireless communication system 100. do. The VAP 105 is connected to the digital switch 104 via a line interface, which may be an ISDN / BRI connection, a 10Base T connection, or some other standard telephone line (eg, POTS). The VAP 106 is likewise connected to the digital switch 104 via an ISDN / BRI connection, a 10Base T connection, or some other standard telephone line (eg, POTS). VAPs are assumed to be small (ie, miniature) base stations that operate similarly (ie, in principle) with public wireless communication systems. In an embodiment, the controllers are located together in an operating region within the radiating region of the private / secondary system. In an alternative apparatus, the controller 101 may be located in the NSP 102 that connects to the local digital switch of the central telephone station (ie, replaces the digital switch 104).

ISDN (Integrated Services Digital Network) connections follow a set of standards for digital transmission over copper wiring and other transmission media. The proposed service level is a basic rate interface (BRI) level for small private users and includes two B (bearer) channels (64 Kbps) and one D (delta) channel (16 Kbps). 10base-T is a carrier medium connection (eg, twisted pair wire) used by many Ethernet systems operating at 10 Mbps. The foregoing transmission medium is well known to those skilled in the art and no further explanation is necessary.

The digital switch 104 is connected to a local digital switch 110 that handles digital signals to and from the digital switch 104. The LDS 110 may be a Private Branch eXchange (PBX) at a customer premises or a public switch at a central station. These various switching devices are well known in the art and will not be described in detail. Several lines of telephones 115 may be connected to the LDS 110. Trunk 109 connects LDS 110 to public network 114.

It is shown that the Automatic Private Service Activation (APSA) device 125 is connected to the controller 101 by ISDN / BRI connection. APSA 125 is essentially a small base station of the local system 100 that has been modified to enable a wireless telephone to communicate with a controller under a configuration that masks / shields the connection from radiation of the dominant system. In this exemplary embodiment, the APSA device radiates analog and digital access channels that are within the same frequency range as the signals assigned to the macrocellular primary communication system overlapping the secondary system served by the APSA 125. Proposed exemplary shielding / masking techniques are shown in FIGS. 3 and 4.

In an exemplary embodiment, this small base station is a cellular radio base station capable of establishing both analog and digital channels. The base station may be based on Digital Radio Processing (DRP) techniques that can transmit and receive cellular radio signals using numbers rather than conventional analog signal processing techniques. These wireless technologies are well known in the art and will not be described herein any further.

In an embodiment, APSA 125 and VAPs 105 and 106 have the ability to communicate with a wireless telephone using analog and digital (ie, TIA / EIA-136) formats as small base stations. They may have multi-channel capability that allows for the transmission and reception of several channels simultaneously allowing different modulation and channel-coding techniques. As shown in FIG. 1, they may be connected to a switch, or a controller including a switch, by standard line interfaces (eg, ISDN BRI, ISDN PRI, 10Baste T, Trunk / PRI, etc.).

The APSA 125 may be located at or near the operating area entry point of the secondary communication system. This may operate within a closed area (eg entry point lobby) or an entry point exposed to the outside. If it is an entry point, it may be coupled to a premise admission system that also responds to radio-linked badges used for admission. The transmit power of the analog and digital access signals is set at such a level that access procedures must be performed with a wireless handset located within a strictly defined space (ie, typically within a few inches from the APSA antenna).

An exemplary APSA 125 operating environment is schematically illustrated in FIG. 3. This embodiment provides the wireless telephone user with the surface 301 on which the wireless telephone handset 305 is placed, in accordance with the instructions provided. The APSA antenna is directly behind the surface that is transparent to electromagnetic radiation in this embodiment. The distance and signal strength radiated by the antenna 302 is selected such that the field strength provided to the radiotelephone handset of the surface 301 exceeds the signal strength radiated from the overlapping main or dominant system. The graph of the signal field strength curves located below the schematic diagram relates the signal strength to the distance from the secondary system access antenna. This compares the signal field strength of both the secondary system and the dominant system relative to the linear distance from the secondary antenna. As apparent, the signal strength of the secondary system radiation exceeds the peripheral field strength of the dominant system at distances very close to the antenna of the secondary system.

The antenna 302 is connected to the RF processing circuit 303, which in turn is connected to the base station equipment 304. This device 304 is connected to the controller 101. APSA 125 is advantageously located at a location that is easily accessed by potential new users of the secondary system. This location may be a building entry point that includes a secondary system. Other locations will be presented to those skilled in the art.

An alternative embodiment is shown in schematic in FIG. 4, in which the secondary system access antenna 402 is shielded from ambient radiation of the dominant system. In the example embodiment of FIG. 4, the shielding mechanism is a box 407 surrounding the antenna 402 to prevent / reduce the level of ambient radiation of the dominant system in the box. The wireless telephone in the box 407 can only interact with the secondary system antenna 402 regardless of the radiation of the dominant system.

Alternative configurations may use an external antenna having highly oriented radiating structures that are accessible despite the radiating level of the dominant system. This configuration may be useful if the antenna and APSA circuit are not co-located or if other placement constraints exist.

The procedure for activating a wireless telephone in a secondary communication system following the TIA / EIA-136 procedures is shown in the process flow diagram of FIG. 2. This process is based on the continued signaling activity of the active secondary communication system. As indicated at block 221, the APSA base station continues to scan to detect analog and digital macrocell overhead channels of the dominant communication system. According to block 223, these signals are replicated by the APSA receiving registration requests. The APSA transmits these duplicated signals as digital and analog control channels at the same frequencies used in the primary macrocell, in accordance with block 225.

The activation / access process is initiated when the user places a handset (ie, a wireless telephone) near the APSA antenna, in accordance with block 201. According to decision block 203, an inquiry is performed to determine if the handset has been previously operated on the digital service. Otherwise, the handset looks for an analog overhead channel and takes this channel according to block 205. The handset decodes the DCCH (Digital Control Channel) on the analog ACCH (Analog Control Channels) according to block 209 to find the DCCH of the APSA. The handset then registers with the APSA and sends its ESN and MIN according to block 211.

If the determination of block 203 determines that the handset has been previously operated for the digital service, then the flow goes to the instructions of block 207 and the commanded handset follows the discovery procedure recommended in TIA / EIA-136. Registration is accomplished by APSA after sending the handset's ESN and MIN.

The APSA analyzes the ESN and MIN according to block 213 and sends it to the system controller of the secondary system. According to block 215, the APSA initiates the OATS process and according to block 217 the handset performs a conventional OATS with the APSA to install the PSID, which PSID causes the handset to take the private system's DCCH first. to be.

Over-the-air-Activation TeleService (OATS) is a standard procedure (TIA / EIA-136-720) that supports the exchange of data between wireless telephones (ie, mobile stations, MSs) and customer service centers. OATS provides a guide that provides appropriate message flow for activation of unprogrammed wireless phones and for modifying NAM parameters in previously activated wireless phones. 5, 6, 7, 8 illustrate exemplary message flows that support OATS procedures. FIG. 5 shows a preamble message flow, and FIG. 6 shows an example of a message flow over a Digital Traffic Channel (DTC) for activating an unprogrammed wireless telephone (ie, MS).

The message flow through the DTC, for a previously activated wireless telephone, is shown in FIG. 7 and the message flow over the DCCH, for a previously activated wireless telephone. OATS is a procedure known to those skilled in the art and no further explanation is necessary.

The DCCH search reference model is shown in flow chart form in FIG. 9. This basically indicates that the handset is on or the handset is serviced and the DCCH is discovered. Analog and digital are distinguished and a scan is done for the control channel. The process follows a scan of the control channels and once a suitable control channel is found that is an acceptable service, the handset stops scanning and takes the service. This procedure is part of TIA / EIA-136 and is known to those skilled in the art. No further explanation will be needed.

The service portion of this invention utilizes an intranet-based application that communicates with a private system controller in a packet format. In a fully automatic configuration, the controller may receive the MIN and ESN of the handset from the APSA device, interact with and / or update the authentication database to allow new users. These updates may be in accordance with one of several service scenarios, depending on the strength of the connection privilege that may be appropriate. The following are examples, but those skilled in the art will appreciate that other levels are possible.

1. Verify that the user is part of an organization that sponsors the private user community through access to the corporate database. Such users may be granted unlimited periods of access with full privileges.

2. Identify the user as a visitor invited to the organization who wants to access the system with unlimited or limited privileges for a limited period of time. In this case, security officer intervention will be required to authenticate access and duration of activity. This behavior might be coordinated by an intranet application page available where the security attendant is available.

3. Allow users to access the system in order to achieve enhanced services within the building, but with the user as a macrocellular subscriber (by means of a macrocellular subscriber database) that will be charged through a macrocellular subscription to the service. To identify.

4. Identify the user as having only emergency 911 authority while the user is in the building.

Alternatively, an Internet access database that is directly accessible by individuals requesting services in the building may allow pre-insertion of mobile phone number and service provider information (with appropriate security firewalls). By accessing such a database, self management of services in the building can be allowed, for a fee or free. An example of a situation where such a service would be useful is a customer first club of a hotel or airline.

Following user confirmation, via the designated database (s), the controller connects to the APSA device by network and sends a system ID message (PSID / RSID). This message works with the software in the handset, which uses OATS to install the PSID in the Number Allocation Module (NAM) memory area. According to the requirements of TIA / EIA-136, after the handset is programmed with a new private SID, it first takes the DCCH of the private system.

The invention may also be used to provide so-called "TelePoint-like" services to users, especially in local environments such as malls, attractions and conventions. . This service will allow calls to be handled by the private cellular environment separately from the macrocellular system. Such applications may offer different call charges, special special features (e.g., enhanced local calling), or encapsulated in the European GSM service area, such as handset desired services (e.g., international airports). It may also be possible to access an "underlay" cellular system operating in a service area to which the CAI-standard applies, other than that used by TIA / EIA-136 services. In these cases, the premises SID may be used instead of the private SID, but other procedures are used as is.

Although the present invention has been illustrated in specific embodiments, it is evident that many variations of the invention fall within the scope of the invention. The implementation of these variations is within the scope of the present invention. Exemplary variations are shown in FIG. 10. The operating environment may be a small office environment or a Centrex environmemt at home where wireless or cordless communication devices are connected to a public network such as the Internet or a public switched telephone network (PSTN). In this embodiment, voice access ports (VAPs) 151, 152 and APSA 155 are connected to the local service provider's public digital switch 161 (eg, via ISDN / BRI lines 157, 158, 159). For example, 5ESS, DMS 100 switch, etc.). Many other variations of the invention will equally be appreciated by those skilled in the art.

Although the present invention has been illustrated in specific embodiments, it is evident that many variations of the invention fall within the scope of the invention. The implementation of these variations is within the scope of the present invention. An example of a modification is shown in FIG. 10. An operating environment is a home or small office environment where wireless or cordless communication devices are connected to the public network, such as the Internet or a public switched telephone network (PSTN). In this embodiment, the voice access ports (VAPs) 151, 152 and the APSA 155 are connected to the local service provider's public digital switch 161 (eg, via ISDN / BRI lines 157, 158, 159). For example, 5ESS, DMS 100 switch, etc.). Many other variations of the invention will equally be appreciated by those skilled in the art.

Claims (26)

Activates a radiotelephone in a private local wireless communication system that is placed in conjunction with an overlapping wireless communication system operating at higher control and activation average signal strength; In the authentication method, Masking the higher control and activation signal strengths; And Coupling control and activation signals of the private local wireless communication system to the wireless telephone during the occurrence of the masking. The method of claim 1, The masking step includes devising an activation and control signal of the private local wireless communication system such that when masked within defined space constraints, the magnitude of the higher control and activation average signal strength of the wireless communication system is exceeded. and, The associating step comprises operating the wireless telephone for activation purposes within the limited space restrictions. The method of claim 1, Combining the control and activation signals includes generating control and activation responses that mimic control and activation scenarios of interaction with the overlapping wireless communication system. Authentication method. The method of claim 1, And the masking step includes blocking radiation of the higher control and activation average signal strength within a confined space in which the radio telephone couples with activation and control signals. The method of claim 1, And the masking step includes directionally controlling the control and activation signal emission of the private local wireless communication system. The method of claim 1, Said combining step comprises providing both analog and digital control and activation signals. The method of claim 2, And the activation and control signals of the private local wireless communication system operate at the same frequencies used by the higher control and activation average signal strength of the overlapping wireless communication system. In the secondary wireless communication system overlapped by a dominant wireless communication system, the secondary wireless communication system comprising radio access for activation and authentication of a radiotelephone of the secondary wireless communication system, An automated private service activation (APSA) port for accepting access requests of a wireless telephone that retrieves activation in the secondary wireless communication system; The APSA port providing the access control channel emitting signals at a level that exceeds a signal level of the access control channel only within defined spatial constraints; And A provided space for receiving wireless telephones for activation in the secondary wireless communications system. The method of claim 8, The APSA port is part of a cellular base station having both analog and digital communication channels operating under the TIA / EIA-136 standard. The method of claim 8, And a system controller providing digital switching and service features connected to the APSA port via a standard line interface. The method of claim 9, The APSA port controls a dominant wireless communication system that is adjacent to the wireless telephone and communicates a control channel to the wireless telephone at a signal level sufficient to achieve access and authentication and that the wireless telephone overlaps in a space adjacent the surface. Further comprising the surface covering an antenna exceeding a channel signal level. The method of claim 9, The APSA port further comprises an antenna accessible to a wireless telephone seeking access and authentication, and further comprising shielding to block the control channel signal level of the overlapping dominant wireless communications system. Secondary wireless communication system. The method of claim 10, The controller further comprises a network service platform (NSP) that provides specific service and management functions. A method of accessing and achieving authentication from a secondary wireless communication system in an area overlapped by a dominant wireless communication system, the method comprising: Creating an access signal space in a signal space in which the radiated access control signal levels of the secondary wireless communication system exceed the access control signal levels of the dominant wireless communication system; Locating a wireless telephone attempting to access within said access signal space and powering up said wireless telephone; Searching for the strongest control channel by the wireless telephone; Selecting the control channel of the secondary wireless communication system for reasons of positioning of the wireless telephone in the access space; And Authorizing and authenticating the wireless telephone to operate within the secondary wireless communications system. The method of claim 14, Enabling the secondary wireless communication system to interact with the dominant wireless communication system; And The method further comprises the step of authorizing and authenticating according to the TDMA standards recognized under TIA / EIA-136. The method of claim 14, Enabling the secondary wireless communication system to interact with the dominant wireless communication system; And Authorizing and authenticating as performed in accordance with analog standards. The method of claim 14, And authorizing and authenticating based on information retrieved from the database of the dominant wireless communication system to enable charging of the service through subscription to the dominant wireless communication system. The method of claim 14, Configured to use a Subscriber IDentification (SID) code inserted into the radiotelephone upon initial authorization and authentication unique to the secondary radio system to preferentially lock the secondary radio communication system after initial authorization and authentication. Further comprising an authorization and authentication step. The method of claim 18, Operating the wireless telephone of the secondary wireless system in place of the dominant wireless communications system. A method of activating and authenticating a wireless telephone of a new user of a secondary wireless communications system in an area overlapped by a dominant wireless communications system: Enabling activation and authentication within the restricted sub-area of the area overlapped by the dominant wireless communication system; Within the sub-region: Providing a mobil identification number (MIN) and an electronic serial number (ESN) from an automatic private service activation (APSA) unit of the secondary system; And Interacting with a secondary system database to provide records to new users and to enable service. The method of claim 20, Installing a private system identification number (PSID) in a number assignment module (NAM). The method of claim 21, And installing an over the air activation system (OATS) process. The method of claim 21, And locking the DCCH of the secondary wireless system. In the secondary radio communication system overlapped by the dominant radio communication system, the secondary radio communication system comprising radio access for activation and authentication of a radiotelephone of the secondary radio communication system: Includes user lists and user features and characteristics and is accessible to an individual requesting service in the secondary wireless communication system, and allows individuals to insert information about the mobile station number and access information prior to implementing access requests. An internet / intranet connection database; And And an automatic private service activation (APSA) port to accept access requests of a wireless telephone attempting to activate in the secondary wireless communication system. The method of claim 24, The APSA port providing the access control channel emitting signals at a level exceeding a signal level of the access control channel only within limited spatial constraints; And And a provided space for receiving wireless telephones for activation in the secondary wireless communications system. In a wireless centrex enviroment, the secondary wireless communication system is overlaid by a dominant wireless communication system and includes wireless access for activation and authentication of a wireless telephone of the secondary wireless communication system: A plurality of voice access ports (VAPs) connected to a local digital switch associated with a public switched telephone network (PSTN); And An automatic private service activation (APSA) port to accept access requests of a wireless communication system, The APSA port is connected to a local digital switch associated with the PSTN, And the APSA port provides the access control channel for emitting signals at a level above the signal level of the access control channel only within limited spatial constraints.

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